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SWT components are ISO9001:2008, ISO14001  :2004 certified. 
All products have met the standards of RoHs and REACH.
A strict quality assurance is SWT's guarantee.

Inspection Equipment
We drafted the local standard and published by our goverment

1、Piezoelectric Beeps and Piezoelectric Sounders

2、Electromagnetic Beeps and Electromagnetic Sounders

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